489 datasets found
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Federal
Chesapeake Bay Nontidal Network 2005-2014: Average Yields
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in rivers across the Chesapeake Bay watershed have been calculated using monitoring data... -
Federal
Rumsey and Walker_AMT_2016_Table 1
U.S. Environmental Protection Agency —
Table summarizes instrument analytical detection limits, including liquid and equivalent air concentrations. This dataset is associated with the following... -
Federal
Land surface carbon and nitrogen data from the spring sampling trip of 2014 around Chincoteague Bay
Department of the Interior —
Following Hurricane Sandy, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center conducted a seasonal collection of estuarine,... -
Federal
URI Greenwich Bay, RI Corrected Suna Nitrate Data
National Oceanic and Atmospheric Administration, Department of Commerce —
Dock station consisting of a SUNA (Submersible Ultraviolet Nitrate Analyzer) deployed ~1.0m from the surface. Funding agency is RIDEM_OWR and data quality control... -
Federal
Fertilizer nutrients applied to farm and nonfarm land in the United States Pacific Northwest for 2002 summarized for NHDPlus v2 catchments
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of fertilizer nitrogen and phosphorus that was applied to farm and... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2019: WRTDS input data
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Water quality surveys in Culebra: comprehensive assessment of inorganic nutrient concentrations 2023-05-03 to 2024-05-21 (NCEI Accession 0306499)
National Oceanic and Atmospheric Administration, Department of Commerce —
This record describes water quality inorganic nutrient concentration metrics collected monthly between May 2023 to May 2024 to provide reference data of nearshore and... -
Federal
Nitrogen, phosphorus, and suspended-sediment loads and trends measured at the Chesapeake Bay Nontidal Network stations: Water years 1985-2018 (ver. 2.0, May 2020)
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2018: Annual loads
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring... -
Federal
Nutrients, sedimentation and total suspended solids in the St. Thomas East End Reserves in the Caribbean Sea from 2012-01-16 to 2013-11-25 (NCEI Accession 0139480)
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains the results from monitoring in the St. Thomas East End Reserves (STEER) in St. Thomas, USVI, from January 2012 to November 2013. The monitoring... -
Federal
Point source nutrient discharges to surface water in the United States Pacific Northwest for 2002
Department of the Interior —
This spatial data set was created by the U.S. Geological Survey (USGS) to represent the amount of total nitrogen and total phosphorus discharged to surface waters in... -
Federal
Tennessee SPARROW nutrient model archives
Department of the Interior —
This data release consists of the data used to develop SPAtially Referenced Regression On Watershed(SPARROW) attributes models for estimating loads of total... -
Federal
Surface Water and Porewater Chemistry and Nitrogen Biogeochemistry of Cell 3A, Prado Wetlands, Riverside, CA, USA (2018) (ver. 2.0, April 2025)
Department of the Interior —
Shallow, unit process open water (UPOW) constructed wetlands effectively remove a range of emerging and traditional water contaminants. Yet, much remains to be... -
Federal
Inputs and Selected Outputs Used to Assess Spatial and Temporal Patterns in Streamflow, Water-Chemistry, and Aquatic Macroinvertebrates of Selected Streams in Fairfax County, Virginia, 2007-2018
Department of the Interior —
Nitrogen (N), phosphorus (P), and suspended-sediment (SS) loads, in Fairfax County, Virginia streams have been calculated using monitoring data from five intensively... -
Federal
Nutrient balances, river loads, and a counterfactual analysis to determine drivers of Mississippi River nitrogen and phosphorus loads between 1975 and 2017
Department of the Interior —
We explored the possible causes of change in Mississippi River nutrient load trends through an impact evaluation that utilizes counterfactual scenarios to compare... -
Federal
Data on soil porewater salinity and water level above soil surface of tidal freshwater forested wetlands in Virginia.
Department of the Interior —
Denitrification measurements and ecosystem attributes in hummock-hollow microtopography of tidal freshwater forested wetlands along longitudinal riverine positions... -
Federal
Data and model code in support of Stream nitrate dynamics driven primarily by discharge and watershed physical and soil characteristics at intensively monitored sites, Insights from deep learning
Department of the Interior —
We developed a suite of models using deep learning to make hindcast predictions of the 7-day average backward-looking nitrate concentration at 46 predominantly... -
Federal
Bootstrap-Estimated Land-to-Water Coefficients from the CBTN_v4 SPARROW Model
Department of the Interior —
This file contains 200 sets of bootstrap-estimated land-to-water coefficients from the CBTN_v4 SPARROW model, which is documented in USGS Scientific Investigations... -
Federal
Wet atmospheric nitrogen deposition data detrended to 2002
Department of the Interior —
This data release consists of the data used to develop SPAtially Referenced Regression On Watershed(SPARROW) attributes models for estimating loads of total... -
Federal
Chesapeake Bay River Input Monitoring Network 1985-2022: Average annual yields
Department of the Interior —
Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed have been calculated using monitoring...
489 datasets found